package com.atguigu.gulimall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.gulimall.search.config.GulimallElasticSearchConfig;
import com.atguigu.gulimall.search.constant.EsConstant;
import com.atguigu.gulimall.search.service.ProductSaveService;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkItemResponse;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author : wenchao.long
 * @date : Created in 2021/7/27 16:56 周二
 * @description :
 */
@Service
@AllArgsConstructor
@Slf4j
public class ProductSaveServiceImpl implements ProductSaveService {

    private final RestHighLevelClient restHighLevelClient;

    @Override
    public boolean saveProductAsIndices(List<SkuEsModel> skuEsModels) throws IOException {
        // 1. 给es中建立索引 product 建立好映射关系

        // 2. 给es中保存数据
        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel skuEsModel : skuEsModels) {
            // 1. 构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            indexRequest.id(skuEsModel.getSkuId().toString());

            String s = JSON.toJSONString(skuEsModel);
            indexRequest.source(s, XContentType.JSON);

            bulkRequest.add(indexRequest);
        }

        BulkResponse bulkResponse = restHighLevelClient.bulk(bulkRequest, GulimallElasticSearchConfig.COMMON_OPTIONS);
        boolean hasFailures = bulkResponse.hasFailures();
        List<String> collect = Arrays.stream(bulkResponse.getItems())
                .map(BulkItemResponse::getId)
                .collect(Collectors.toList());

        log.info("商品上架完成：{}", collect);
        return !hasFailures;
    }
}
